function okno() {
adresa='http://www.letenky.sk/index.php?cvi=1&cid=f488b639d45c5a264178acac6556c310947a2408';
newWin=window.open(adresa, 'win2', 'width=950,height=600,scrollbars=1,top=10,toolbar=0,status=0,location=0,left=10,menubar=0,resizable=1');
newWin.focus();
}

function oknoIframe() {
adresa='http://www.letenky.sk/index.php?cvi=1&cid=f488b639d45c5a264178acac6556c310947a2408';
backurl = 'rezerv_popup.php';
newWin=window.open(adresa +'&backurl='+backurl, 'win2','width=950,height=600,scrollbars=1,top=10,toolbar=0,status=0,location=0,left=10,menubar=0,resizable=1');
newWin.focus();
}